Finding the Third Proportional to 251,796 and 515,227.50

Step by Step Solution

1. Step 1: Write the proportion equation
   251,796 : 515,227.50 = 515,227.50 : x
2. Step 2: Convert to fraction form
   251,796/515,227.50 = 515,227.50/x
3. Step 3: Cross multiply
   251,796x = 515,227.50 × 515,227.50
4. Step 4: Simplify right side
   251,796x = 265,459,376,756.25
5. Step 5: Solve for x
   x = 265,459,376,756.25/251,796
6. Step 6: Final answer
   x = 1,054,263.68